DE2942106C2 - - Google Patents

Info

Publication number
DE2942106C2
DE2942106C2 DE2942106A DE2942106A DE2942106C2 DE 2942106 C2 DE2942106 C2 DE 2942106C2 DE 2942106 A DE2942106 A DE 2942106A DE 2942106 A DE2942106 A DE 2942106A DE 2942106 C2 DE2942106 C2 DE 2942106C2
Authority
DE
Germany
Prior art keywords
signal
gain
circuit
control
digital
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE2942106A
Other languages
German (de)
English (en)
Other versions
DE2942106A1 (de
Inventor
Ran Fun Chiu
Philip Frederick Miami Fla. Us Kromer Iii
Henry Howard Miami Springs Fla. Us Parrish
Ming Luh Miami Fla. Us Kao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Racal-Milgo Inc (ndgesd Staates Delaware) Miami Fla Us
Original Assignee
Racal-Milgo Inc (ndgesd Staates Delaware) Miami Fla Us
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Racal-Milgo Inc (ndgesd Staates Delaware) Miami Fla Us filed Critical Racal-Milgo Inc (ndgesd Staates Delaware) Miami Fla Us
Publication of DE2942106A1 publication Critical patent/DE2942106A1/de
Application granted granted Critical
Publication of DE2942106C2 publication Critical patent/DE2942106C2/de
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/001—Digital control of analog signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Analogue/Digital Conversion (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Amplifiers (AREA)
DE19792942106 1978-10-19 1979-10-18 Verstaerkungsregelkreis Granted DE2942106A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/952,650 US4213097A (en) 1978-10-19 1978-10-19 Hybrid automatic gain control circuit

Publications (2)

Publication Number Publication Date
DE2942106A1 DE2942106A1 (de) 1980-05-08
DE2942106C2 true DE2942106C2 (en(2012)) 1989-08-10

Family

ID=25493107

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792942106 Granted DE2942106A1 (de) 1978-10-19 1979-10-18 Verstaerkungsregelkreis

Country Status (9)

Country Link
US (1) US4213097A (en(2012))
JP (1) JPS5597714A (en(2012))
BE (1) BE879540A (en(2012))
CA (1) CA1138058A (en(2012))
CH (1) CH650884A5 (en(2012))
DE (1) DE2942106A1 (en(2012))
FR (1) FR2439506A1 (en(2012))
GB (1) GB2035732B (en(2012))
SE (1) SE438223B (en(2012))

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1121030B (it) * 1979-09-18 1986-03-26 Cselt Centro Studi Lab Telecom Procedimento e circuito per il controllo automatico del guadagno in apparecchiature elettroniche
WO1982000536A1 (en) * 1980-07-31 1982-02-18 M Min Stage converter of electric signals
JPS57138208A (en) * 1981-02-20 1982-08-26 Hitachi Ltd Power detecting circuit and gain control circuit using it
US4398153A (en) * 1981-05-06 1983-08-09 The United States Of America As Represented By The Secretary Of The Army Harmonic generator
JPS583406A (ja) * 1981-06-30 1983-01-10 Fujitsu Ltd ディジタル形自動利得制御方法
US4464723A (en) * 1981-12-31 1984-08-07 Rca Corporation Digital gain control system
US4434439A (en) * 1982-02-22 1984-02-28 Rca Corporation Digital television AGC arrangement
US4494212A (en) * 1982-03-03 1985-01-15 The Perkin-Elmer Corporation Variable gain amplifier
GB2116793B (en) * 1982-03-03 1986-01-29 Perkin Elmer Corp Variable gain amplifier
US4447826A (en) * 1982-03-18 1984-05-08 Rca Corporation Digital television receiver automatic chroma control system
US4477779A (en) * 1982-07-30 1984-10-16 The United States Of America As Represented By The Secretary Of The Navy Dual channel gated peak detector
US4611342A (en) * 1983-03-01 1986-09-09 Racal Data Communications Inc. Digital voice compression having a digitally controlled AGC circuit and means for including the true gain in the compressed data
US4609788A (en) * 1983-03-01 1986-09-02 Racal Data Communications Inc. Digital voice transmission having improved echo suppression
US4604645A (en) * 1983-09-30 1986-08-05 Rca Corporation Coarse/fine automatic chrominance gain control using a gain adjustable IF amplifier in a digital television receiver
US4689804A (en) * 1985-08-14 1987-08-25 Racal Data Communications Inc. Method and apparatus for reduction of sinusoidal phase jitter in a high speed data modem
DE3577167D1 (de) * 1985-08-28 1990-05-17 Ibm Verfahren zur schnellen verstaerkungseinstellung in einem modemempfaenger.
US4747065A (en) * 1985-10-11 1988-05-24 International Business Machines Corporation Automatic gain control in a digital signal processor
US4785418A (en) * 1986-08-29 1988-11-15 International Business Machines Corporation Proportional automatic gain control
FI92778C (fi) * 1986-09-24 1994-12-27 Rca Licensing Corp Digitaalisignaalin amplitudinsäätöjärjestelmä digitaalisignaalien muuttamiseksi jokseenkin tasaisin dB-askelin
US4731851A (en) * 1986-09-24 1988-03-15 Rca Corporation Digital signal gain control circuitry for varying digital signals in substantially equal db steps
US4870370A (en) * 1988-02-19 1989-09-26 Silicon Systems, Inc. Method and apparatus for two stage automatic gain control
DE69024870T2 (de) * 1989-07-26 1996-05-30 Northern Telecom Ltd Automatische Steuerung eines Signalparameters
FR2676875B1 (fr) * 1991-05-24 1997-01-03 Alcatel Espace Dispositif amplificateur programmable.
US5375145A (en) * 1992-08-27 1994-12-20 Quantum Corporation Multi-mode gain control loop for PRML class IV sampling data detection channel
DE19549401C2 (de) * 1994-03-18 2002-06-13 Fujitsu Ltd Automatische Verstärkungsregelschaltung in einer PRML-Regenerationsvorrichtung
GB2297443B (en) * 1995-01-26 1999-09-08 Sony Uk Ltd Amplifier
JP3120737B2 (ja) * 1996-08-23 2000-12-25 日本電気株式会社 自動利得制御回路
US6137533A (en) * 1997-05-14 2000-10-24 Cirrus Logic, Inc. System and method for enhancing dynamic range in images
JPH1127068A (ja) * 1997-06-30 1999-01-29 Nec Ic Microcomput Syst Ltd 利得制御増幅器及びその制御方法
US6069866A (en) * 1997-10-23 2000-05-30 Cirrus Logic, Inc. System and method for coarse gain control of wide band amplifiers
US6141169A (en) * 1997-10-23 2000-10-31 Cirrus Logic, Inc. System and method for control of low frequency input levels to an amplifier and compensation of input offsets of the amplifier
JP3387508B2 (ja) * 1998-02-19 2003-03-17 株式会社エヌ・ティ・ティ・ドコモ 無線送信増幅装置
US6011437A (en) * 1998-05-04 2000-01-04 Marvell Technology Group, Ltd. High precision, high bandwidth variable gain amplifier and method
CN1909366B (zh) * 2001-02-16 2012-08-15 高通股份有限公司 直接变频接收机结构
US7076225B2 (en) * 2001-02-16 2006-07-11 Qualcomm Incorporated Variable gain selection in direct conversion receiver
US6577185B1 (en) * 2001-03-19 2003-06-10 Cisco Systems Wireless Networking (Australia) Pty. Limited Multi-stage operational amplifier for interstage amplification in a pipeline analog-to-digital converter
US6959055B2 (en) * 2002-07-26 2005-10-25 Thomson Licensing Multi-stage automatic gain control for spread-spectrum receivers
US7085334B2 (en) * 2002-09-30 2006-08-01 Lsi Logic Corporation Automatic gain control with analog and digital gain
US7206030B2 (en) * 2003-01-30 2007-04-17 Texas Instruments Incorporated Fast-convergence two-stage automatic gain control (AGC)
US7443455B2 (en) * 2003-12-30 2008-10-28 Texas Instruments Incorporated Automatic gain control based on multiple input references in a video decoder
US7222037B2 (en) * 2004-10-15 2007-05-22 Genesis Microchip Inc. Hybrid automatic gain control (AGC)
DE102006005032B4 (de) * 2006-02-03 2018-06-28 Intel Deutschland Gmbh Empfangsverfahren mit digitaler Pegeleinstellung im Analogteil und stufenweiser Pegelveränderung im Digitalteil
TW201042913A (en) 2009-05-04 2010-12-01 Maxlinear Inc Self-calibrating gain control system
CN102457239B (zh) * 2010-11-02 2014-06-04 安凯(广州)微电子技术有限公司 一种增益控制系统及方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1466163A1 (de) * 1964-05-21 1969-05-29 Marconi Co Ltd Selbsttaetig abgestimmte Hochfrequenzschaltung mit einer Anordnung zur selbsttaetigen Verstaerkungsregelung
US3525948A (en) * 1966-03-25 1970-08-25 Sds Data Systems Inc Seismic amplifiers
US3813609A (en) * 1972-11-27 1974-05-28 Petty Ray Geophysical Inc Multiple stage sample normalizing amplifier with automatic gain prediction
US3931584A (en) * 1974-09-12 1976-01-06 Hycom Incorporated Automatic gain control
US3983381A (en) * 1974-12-18 1976-09-28 International Business Machines Corporation Digital automatic gain control circuit
US3969683A (en) * 1975-04-21 1976-07-13 Bell Telephone Laboratories, Incorporated Automatic level control circuit
US4052598A (en) * 1976-05-03 1977-10-04 Hycom Incorporated Control system with fast response

Also Published As

Publication number Publication date
FR2439506B1 (en(2012)) 1983-08-19
GB2035732B (en) 1982-11-10
JPH0454405B2 (en(2012)) 1992-08-31
SE438223B (sv) 1985-04-01
FR2439506A1 (fr) 1980-05-16
DE2942106A1 (de) 1980-05-08
CH650884A5 (de) 1985-08-15
JPS5597714A (en) 1980-07-25
BE879540A (fr) 1980-02-15
SE7908627L (sv) 1980-06-05
GB2035732A (en) 1980-06-18
CA1138058A (en) 1982-12-21
US4213097A (en) 1980-07-15

Similar Documents

Publication Publication Date Title
DE2942106C2 (en(2012))
DE19852778C2 (de) D/A-Wandlervorrichtung
DE69015373T2 (de) Digital-analog-wandler mit grossem dynamikbereich, hoher genauigkeit und hoher geschwindigkeit.
DE3779683T2 (de) Schaltungsanordnung zur automatischen verstaerkungsregelung.
DE3206114C2 (en(2012))
DE3003099C2 (de) Digital-Analog-Wandler mit Kompensationsschaltung
DE69738193T2 (de) Schaltung zur Erkennung und Verhinderung von akustischen Rückkopplungen und Verwendung einer derartigen Schaltung in einem Lautsprechersystem
DE3784617T2 (de) Digital-analog-wandler.
DE3200895C2 (de) Verfahren und Vorrichtung zum Umwandeln eines ersten Binärwortes in ein zweites Binärwort
DE69205696T2 (de) Adaptiver Entzerrer mit einer Entzerrungsaktion in bezug auf die Grösse des Fadings.
DE68917710T2 (de) Einrichtung zur Einstellung der Verstärkung.
DE10037937A1 (de) D/A-Wandlervorrichtung und D/A-Wandlerverfahren
DE2224143C3 (de) Regelungseinrichtung zur automatischen Farbdeckung bei Farbfernsehkameras mit mindestens zwei signalerzeugenden Wandlern
DE3524852C2 (en(2012))
DE2554744A1 (de) Digitale schaltung fuer automatische verstaerkungsregelung
DE2619314C2 (en(2012))
DE2648515A1 (de) Anordnung zur digitalen regelung
DE3307597C2 (de) Verstärker mit veränderlicher Verstärkung
DE2926011A1 (de) Digital geregelte pegeleinstellvorrichtung
DE2808848C2 (de) Amplitudenkorrekturschaltung für einen variablen Frequenzgeber
DE4319376C1 (de) Anordnung zur Analog/Digital-Wandlung von Signalen mit unterschiedlichem Signalpegel
DE69517144T2 (de) Verfahren und Vorrichtung zur Bildverbesserung
DE2158985C3 (de) Einrichtung zur Regelung des Verstärkungsgrades eines Wechselspannungsverstärkers
DE4427388C2 (de) Verfahren und Schaltungsanordnung zur Signalsynthese
DE3215519C2 (en(2012))

Legal Events

Date Code Title Description
8128 New person/name/address of the agent

Representative=s name: EISENFUEHR, G., DIPL.-ING. SPEISER, D., DIPL.-ING.

8128 New person/name/address of the agent

Representative=s name: EISENFUEHR, G., DIPL.-ING. SPEISER, D., DIPL.-ING.

8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee